PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-07:12:50
G07     44.1           69.4                6.0 +/-    0.35       6.4 +/-    0.35  0.030 / 0.030
G08     52.2           40.4                4.6 +/-    0.91       6.7 +/-    0.91  0.030 / 0.030
G09     174.4          35.3                7.1 +/-    1.20      11.2 +/-    1.20  0.030 / 0.030
G11     120.6          33.4                7.1 +/-    1.43      11.7 +/-    1.43  0.030 / 0.030
G17     198.7          13.0                4.9 +/-    2.27      12.8 +/-    2.27  0.190 / 0.270
G18     105.4          14.8                6.0 +/-    1.33      15.0 +/-    1.33  0.250 / 0.260
G23     161.3          12.6                4.7 +/-    1.52      12.5 +/-    1.52  0.130 / 0.310
G27     38.2           11.6                2.7 +/-    1.88       7.2 +/-    1.88  0.140 / 0.290
G28     269.1          49.8                6.6 +/-    2.84       8.4 +/-    2.84  0.080 / 0.080
G30     326.6          56.0                4.8 +/-    0.78       5.6 +/-    0.78  0.090 / 0.080